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《银合欢豆象在云南省的潜在分布区预测-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、热带作物学报2014,35(8):1653—1657ChineseJournalofTrooicalCroos银合欢豆象在云南省的潜在分布区预测杨欣,熊忠平,佟友贵,张开存,张会燕件,杨伟娴1,施艳萍1昆明市东川区森防站.云南昆明6541002昙云南霎省森蒙林灾害预奎警与差控制婪重点萎实验萎室云南昆明6502243昆明市东川区住房和城乡规划建设局.云南昆明654100摘要为了掌握银合欢豆象在云南的潜在分布区,为银合欢豆象在云南省的发生、早期预警和防控提供参考资料,利用银合欢豆象的分布点数据和环境因子数据.通过Maxent生态位模型预测了银合欢豆象在云南省的适生范围
2、区。结果表明:银合欢豆象在云南省适生范围分为4级,高适生区以绿色表示;中适生区以蓝色表示:低适生区以浅黄表示;非适生区以红色表示。利用ROC曲线分析法对预测结果进行验证表明:其训练数据和测试数据分别为0.995和0.996.远大于随机分布模型的AUC值0.5.说明预测结果可靠。关键词银合欢豆象;Maxent生态位模型;潜在分布区;ArcGIS软件:云南省中图分类号s431.3文献标识码APredictionofPotentialGeographicalDistributionofAcanthoscelidesmacrophthalmusinYunnanProvin
3、ceYANGXin,XIONGZhongping,TONGYougui,ZHANGKaicun,ZHANGHuiyan,YANGWeixian,SHIYanping3lForestDiseaseandInsectpestControlandQuarantineProtectionStationofDongchuan,Kunming,Yunnan654100,China2FacuhyofforestrySouthwestForestryUniversity/KeyLaboratoryofForestDisasterWarningandControl,Kunming,
4、Yunnan,650224China3BureauofHousingandUrban-ruralDevelopmentofDongchuan,Kunming,Yunnan654100,ChinaAbstractEcologicalnichemodellingtechnique,MaximumEntropyfMaxent)wereusedtopredictthepotentialdistributionofAcanthoscelidesmacrophthalmusinYunnanProvincebasedonassociationsbetweenknownoccur
5、rencerecordsandasetofenvironmentalvariablesinordertograspthepotentialdistribution,toprovideareferenceforinsectpestsituation,earlywarning,andthepreventionandcontrolofA.macrophthalmus.TheresultsshowedthatthesuitableareasforA.macrophthalmusweredividedinto4gradesbydifferentcolors:blackfor
6、thehighlysuitableareas,darkgreyforthemoderatesuitableareas,lightgreyforthelowsuitableareasandwhitefortheunsuitableareas.TheuseofROCcurveanalysistoverifythepredictedresultsshowedthatthetrainingdataandtestdatawasO.995and0.996,respectively,muchlargerthantherandomdistributionmodelAUCvalue
7、of0.5.indicatingitwasreliable.KeywordsAcanthoscelidesmacrophthalmus;Maxent;potenticaldistribution;ArcGIS;YunnanProvincedoi10.3969/j.issn.1000—2561.2014.08.035银合欢豆象『Acanthoscelidesmacrophthalmlts公开报道f3_:截至目前已报道的云南分布区包括元(Schaefer)]是外来人侵害虫.隶属豆象科(Bruchidae)谋、龙陵两地B51新银合欢为云南省干热河谷地三齿豆象属似cant
8、hosce
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